Martin wrote:

Geezer From The Freezer wrote:
Get the snake out and take it to the nearest river.

really bad advice, this could well be illegal. The RSPCA will come out
and take care of it for you.

Why would it be illegal? Would it be illegal taking frogs that have found
their way to a pond back to where they originated?

You may be right. I honestly don't know if its illegal or not?